#include <iostream>
#include "my_test2.h"  // 包含新头文件

int main() {
    //my_function1();
    std::cout << "MY_ADD(1, 2) = " << MY_ADD(1, 2) << std::endl; 
    //std::cout << "my(1, 2) = " << my_add(1, 2) << std::endl; 
    return 0;
}

